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Tuberculosis (TB)





Reported Tuberculosis in the United States, 2020						Print
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Table 14. Sputum Culture Conversion: United States, 2010–2018
See Surveillance Slide #65.
Table 14. Sputum Culture Conversion: United States, 2010–2017
Year
Total Sputum Culture Positive1
Sputum Culture Conversion Documented2
Sputum Culture Conversion Not Documented3
Sputum Culture Conversion Unknown
Reason Sputum Culture Conversion Not DocumentedCannot Produce Sputum
Sputum Not Collected
Died
Refused
Lost to Follow-up
Other
UnknownNo.
No.
(%)
No.
(%)
No.
(%)
No.
(%)
No.
(%)
No.
(%)
No.
(%)
No.
(%)
No.
(%)
No.
(%)2010
5,764
4,957
(86.0)
720
(12.5)
87
(1.5)
69
(9.6)
174
(24.2)
243
(33.8)
12
(1.7)
40
(5.6)
141
(19.6)
41
(5.7)2011
5,647
4,907
(86.9)
705
(12.5)
35
(0.6)
60
(8.5)
158
(22.4)
254
(36.0)
5
(0.7)
39
(5.5)
161
(22.8)
28
(4.0)2012
5,283
4,605
(87.2)
602
(11.4)
76
(1.4)
55
(9.1)
164
(27.2)
205
(34.1)
4
(0.7)
24
(4.0)
120
(19.9)
30
(5.0)2013
5,232
4,612
(88.1)
574
(11.0)
46
(0.9)
45
(7.8)
117
(20.4)
226
(39.4)
12
(2.1)
22
(3.8)
133
(23.2)
19
(3.3)2014
5,165
4,614
(89.3)
512
(9.9)
39
(0.8)
28
(5.5)
121
(23.6)
217
(42.4)
10
(2.0)
18
(3.5)
98
(19.1)
20
(3.9)2015
5,276
4,668
(88.5)
521
(9.9)
87
(1.6)
47
(9.0)
121
(23.2)
207
(39.7)
6
(1.2)
19
(3.6)
83
(15.9)
38
(7.3)2016
5,122
4,333
(84.6)
710
(13.9)
79
(1.5)
40
(5.6)
114
(16.1)
250
(35.2)
3
(0.4)
22
(3.1)
91
(12.8)
190
(26.8)2017
5,108
4,425
(86.6)
624
(12.2)
59
(1.2)
42
(6.7)
103
(16.5)
227
(36.4)
6
(1.0)
27
(4.3)
103
(16.5)
116
(18.6)2018
5,087
4,459
(87.7)
584
(11.5)
44
(0.9)
61
(10.4)
131
(22.4)
225
(38.5)
7
(1.2)
23
(3.9)
97
(16.6)
40
(6.8)Show More1Among persons who were alive at diagnosis and had positive sputum culture.2Among persons who had sputum culture conversion documented at any time.3Among persons who were alive at diagnosis, had positive culture, and did not have documented culture conversion (excludes patients with unknown culture conversion).
Data complete to 2018.Table Printing Tips
							
					
							Last Reviewed:  October 25, 2021						Source: 	Division of Tuberculosis Elimination, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention
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